28454082 has 64 divisors (see below), whose sum is σ = 62705664. Its totient is φ = 8581760.

The previous prime is 28454081. The next prime is 28454087. The reversal of 28454082 is 28045482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28454081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265873 + ... + 265979.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 2^28454082 is an apocalyptic number.

28454082 is an abundant number, since it is smaller than the sum of its proper divisors (34251582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28454082 is a wasteful number, since it uses less digits than its factorization.

28454082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 28454082 is about 5334.2367776468. The cubic root of 28454082 is about 305.2916032268.

The spelling of 28454082 in words is "twenty-eight million, four hundred fifty-four thousand, eighty-two".